 /*******************************************************************************
  * Copyright (c) 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  ******************************************************************************/

 package org.eclipse.ui.internal.navigator.extensions;

 import org.eclipse.ui.IMemento;
 import org.eclipse.ui.internal.navigator.NavigatorContentService;
 import org.eclipse.ui.navigator.ICommonContentExtensionSite;
 import org.eclipse.ui.navigator.INavigatorContentExtension;
 import org.eclipse.ui.navigator.INavigatorContentService;

 /**
  * @since 3.2
  *
  */
 public class CommonContentExtensionSite extends CommonExtensionSite implements
         ICommonContentExtensionSite {

     private NavigatorContentExtension extension;

     private IMemento memento;

     private NavigatorContentService contentService;

     /**
      * Create a config element for the initialization of Content Extensions.
      *
      * @param anExtensionId
      * The unique identifier of the associated content extension or
      * the top-level action provider. <b>May NOT be null.</b>
      * @param aContentService
      * The associated content service to allow coordination with
      * content extensions via the IExtensionStateModel. Clients may
      * access the content providers and label providers as necessary
      * also to render labels or images in their UI. <b>May NOT be
      * null.</b>
      * @param aMemento
      * The memento associated with the parent viewer.
      */
     public CommonContentExtensionSite(String anExtensionId,
             NavigatorContentService aContentService, IMemento aMemento) {
         super(aContentService, anExtensionId);

         NavigatorContentDescriptor contentDescriptor = NavigatorContentDescriptorManager
                 .getInstance().getContentDescriptor(anExtensionId);

         extension = aContentService.getExtension(contentDescriptor);
         memento = aMemento;
         contentService = aContentService;
     }

     /*
      * (non-Javadoc)
      *
      * @see org.eclipse.ui.navigator.ICommonContentExtensionSite#getMemento()
      */
     public IMemento getMemento() {
         return memento;
     }

     /*
      * (non-Javadoc)
      *
      * @see org.eclipse.ui.navigator.ICommonContentExtensionSite#getExtension()
      */
     public INavigatorContentExtension getExtension() {
         return extension;
     }

     /* (non-Javadoc)
      * @see org.eclipse.ui.navigator.ICommonContentExtensionSite#getService()
      */
     public INavigatorContentService getService() {
         return contentService;
     }

 }

